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b12 injection side effects Shot Guide: Benefits, Dosage & Oral Vitamin B12 Side Effects
Description
Fatigue is often caused by an inability to transport enough oxygen to your bodys cells

Cyanocobalamin Injection: MedlinePlus [Internet]

Dietary Habits People who follow a vegetarian or vegan diet may have lower B12 levels because plant-based foods contain little to no B12

It lasts longer in the body, so patients need it less often

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